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SubjectRe: Tar'ing /proc ???
On Thu, 16 Jan 2003, Linux Geek wrote:

>
>
> Richard B. Johnson wrote:
>
> >Normally, you do `tar -clf`
> > |________ stay on the same file-system.
> >Otherwise toy need to use --exclude /proc. Proc is a virtual
> >file-system that contains things like kcore. You can get into
> >a deadlock when reading kcore and you don't want this in your
> >backup anyway.
> >
> >
> >
> >
> so it means, I can read /proc , write through sysctl interface but no
> 'copy' business ;-) .

Well you can use `cp` or `cat` because they don't use large amounts
of data that gets extended by calling the kernel to set the break
address (which can cause a deadlock). `tar` keeps allocating more
memory when it reads this large 'file'.


Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.


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